I also have a set of 3" to 2.5" SSAC downpipes with the universal flange to fit both RS4 and RS6 hot sides. Used for 5,000 miles, perfect fitment. I suspected a slight exhaust leak at the flex pipe, but then discovered it was leaking at the slip clamp before pulling my engine- so, I can't say for certain if the flex pipes are problematic or not. I have a set of high quality flex pipes I purchased at the time that I can include.
Not really sure how to structure or price these, so I'll take offers on them individually or together.


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